Spain conquered the Aztec Empire in 1521. They build a new city and called it Mexico City. Over time, Mexico City became one of the most beautiful cities in the Americas. In 1821, some 300 years later, Mexico won its independence from Spain and became the capital of the new country also continued to grow slowly. By the 1950s, the city was a blend of modern and historic buildings. Broad avenues and tree-filled parks made it a pleasant place to live. Today, Mexico City remains the center of Mexican life but it is no longer the graceful city of gold. In the past 50 years, city growth, or urbanization, has increased at a rapid rate. 1970=8+million people. Ten years later, 1980,=8x2= 16 million people. Now =19 million people in metropolitan areas, which includes the city and its suburbs. The good thing about the city is that it has a lot of people due to urbanization, or city growth. The bad thing is that rural decline, or increasing poverty in the countryside, has caused many people to move to the city since they live in rural areas. These key factors can help explain the standard of living different people have in Mexico City.…